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    • 2. 发明授权
    • Circuits and methods for driving LED light sources
    • 驱动LED光源的电路和方法
    • US09030122B2
    • 2015-05-12
    • US13369620
    • 2012-02-09
    • Tiesheng YanFeng LinYouling LiChing-Chuan Kuo
    • Tiesheng YanFeng LinYouling LiChing-Chuan Kuo
    • H05B37/02H05B33/08
    • H05B33/0851H05B33/0818H05B33/0848
    • A driving circuit for controlling power of a light-emitting diode (LED) light source includes a transformer, a switch controller, and a dimming controller. The transformer has a primary winding that receives input power from an AC/DC converter and a secondary winding that provides output power to the LED light source. The switch controller coupled between an optical coupler and the primary winding receives a feedback signal indicative of a target level of a current flowing through the LED light source from the optical coupler, and controls input power to the primary winding according to the feedback signal. The dimming controller coupled to the secondary winding receives a switch monitoring signal indicative of an operation of a power switch coupled between an AC power source and the AC/DC converter, and regulates the output power by adjusting the feedback signal according to the switch monitoring signal.
    • 用于控制发光二极管(LED)光源的功率的驱动电路包括变压器,开关控制器和调光控制器。 变压器具有从AC / DC转换器接收输入功率的初级绕组和向LED光源提供输出功率的次级绕组。 耦合在光耦合器和初级绕组之间的开关控制器接收表示从光耦合器流过LED光源的电流的目标电平的反馈信号,并且根据反馈信号控制到初级绕组的输入功率。 耦合到次级绕组的调光控制器接收指示耦合在AC电源和AC / DC转换器之间的功率开关的操作的开关监视信号,并且通过根据开关监视信号调整反馈信号来调节输出功率 。
    • 3. 发明授权
    • Circuits and methods for driving light sources
    • 用于驱动光源的电路和方法
    • US08339063B2
    • 2012-12-25
    • US12761681
    • 2010-04-16
    • Tiesheng YanYouling LiFeng LinXinhe SuChing-Chuan Kuo
    • Tiesheng YanYouling LiFeng LinXinhe SuChing-Chuan Kuo
    • H05B37/02
    • H05B37/02H05B33/0815
    • A driving circuit includes a first inductor coupled in series with a light source for providing power to the light source. A controller coupled to the first inductor can control a switch coupled to the first inductor, thereby controlling a current flowing through the first inductor. A current sensor coupled to the first inductor can provide a first signal indicative of the current flowing through the first inductor, regardless of whether the switch is on or off. The switch is controlled according to the first signal. A second inductor magnetically coupled to the first inductor is also electrically coupled to the first inductor via a common node between the switch and the first inductor for providing a reference ground for the controller. The reference ground is different from the ground of the driving circuit.
    • 驱动电路包括与用于向光源提供电力的光源串联耦合的第一电感器。 耦合到第一电感器的控制器可以控制耦合到第一电感器的开关,从而控制流过第一电感器的电流。 耦合到第一电感器的电流传感器可以提供指示流过第一电感器的电流的第一信号,而不管开关是开或关。 开关根据第一个信号进行控制。 磁耦合到第一电感器的第二电感器也经由开关和第一电感器之间的公共节点电耦合到第一电感器,以提供用于控制器的参考地。 参考地不同于驱动电路的地面。
    • 6. 发明授权
    • Power supply systems with controllable power
    • 具有可控电源的电源系统
    • US08183787B2
    • 2012-05-22
    • US12718210
    • 2010-03-05
    • Zhimou RenJun RenYunning XieTiesheng YanFeng Lin
    • Zhimou RenJun RenYunning XieTiesheng YanFeng Lin
    • H05B41/36H05B41/14
    • H05B33/0884H05B33/0815H05B33/0851Y02B20/346
    • A power supply system includes a power converter, a switch, and a controller. The power converter is operable for providing power to a load. The switch is coupled to the power converter and is operable for adjusting the power to the load. The switch has a gate, a source and a drain. The controller is coupled to the switch and is operable for controlling a state of the switch. The controller has a first control terminal for providing a gate voltage to the gate of the switch, a second control terminal for providing a source voltage to the source of the switch, and an input terminal for receiving a supply voltage via the source of the switch. The controller is also operable for limiting the supply voltage within a predetermined maximum level by regulating the gate voltage to a preset level.
    • 电源系统包括功率转换器,开关和控制器。 功率转换器可操作以向负载提供电力。 开关耦合到功率转换器,并且可操作用于调节负载的功率。 开关有一个门,一个源和一个漏极。 控制器耦合到开关并且可操作用于控制开关的状态。 控制器具有用于向开关的栅极提供栅极电压的第一控制端子,用于向开关源提供源极电压的第二控制端子以及用于经由开关源接收电源电压的输入端子 。 控制器还可操作用于通过将栅极电压调节到预设电平来将电源电压限制在预定最大电平内。
    • 9. 发明授权
    • Protractor
    • 量角器
    • US09568297B2
    • 2017-02-14
    • US14745984
    • 2015-06-22
    • Feng Lin
    • Feng Lin
    • G01B3/56
    • G01B3/563
    • A protractor comprising an angle scale provided with a dial gauge with a circle center, one end of the bottom edge being connected with a first side edge, and the first side edge and the bottom edge forming an included angle, and the angle of the included angle being 135 degrees; a right angle rocker arm, comprising a reading arm part and a tail arm part forming a right angle with the reading arm part, the right angle rocker arm rotating relative to the angel scale such that a first edge of the tail arm part and the bottom edge form a first change included angle, the value of the first change included angle being read by means of the reading arm part and the dial gauge; and a locking structure for rotationally connecting the angle scale and the right angle rocker arm.
    • 一种量角器,其包括设置有具有圆心的刻度盘的角度刻度尺,所述底边的一端与第一侧边缘连接,并且所述第一侧边缘和所述底边缘形成夹角,并且包括 角度为135度; 直角摇臂,包括与所述读取臂部分成直角的读取臂部分和尾臂部分,所述直角摇臂相对于所述天使标尺旋转,使得所述尾臂部分的第一边缘和所述底部部分的底部 边缘形成第一变化包含角度,通过读取臂部分和千分表读取第一变化包含角度的值; 以及用于旋转地连接角秤和直角摇臂的锁定结构。
    • 10. 发明授权
    • Manual-automatic flush driving device
    • 手动自动冲洗驱动装置
    • US09015871B2
    • 2015-04-28
    • US13289744
    • 2011-11-04
    • Feng LinWeiye Chen
    • Feng LinWeiye Chen
    • E03D1/14E03D5/10E03D5/02E03D5/092E03D1/012
    • E03D5/105E03D1/0125E03D5/028E03D5/092
    • A flush driving device for a toilet includes a mounting bracket, a control panel that includes a sensing window and manual buttons, and a manual operating mechanism that includes bars cooperating with the manual buttons and rotating mechanisms connected with the bars. Rotating shafts of the rotating mechanisms are mounted in the mounting bracket. An automatic operating mechanism includes a driving motor, a rod controlled by the driving motor, and lifting mechanisms cooperating with the rod. The flush driving device also includes pull arms connected to both the rotating mechanisms and the lifting mechanisms for controlling the flush of the toilet.
    • 用于马桶的冲洗驱动装置包括安装支架,包括感测窗和手动按钮的控制面板,以及手动操作机构,其包括与手动按钮配合的杆和与杆连接的旋转机构。 旋转机构的旋转轴安装在安装支架中。 自动操作机构包括驱动电动机,由驱动电动机控制的杆和与杆配合的提升机构。 冲洗驱动装置还包括连接到旋转机构和提升机构的拉臂,用于控制马桶的冲洗。